[Bitcoin-ml] OP_Codes

Daniel Connolly otaci at protonmail.com
Sun Mar 11 00:18:47 UTC 2018


Dear George,

the most recent documentation regarding the re-enabled opcodes (OP_CAT etc) is located here: https://github.com/bitcoincashorg/spec/pull/53

You can open an issue here: https://github.com/bitcoincashorg/spec/issues

I am interested in what you have spotted, you can also describe it in this group or send it to me directly.

Regards,
Daniel

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On February 23, 2018 10:50 PM, George Macoukji via bitcoin-ml <bitcoin-ml at lists.linuxfoundation.org> wrote:

> I've already spotted an issue with the OP_CAT documentation. I'm not hugely familiar with Github. How do we report issues most effectively? With normal code, we can just open an issue or comment directly on the line in question.
>
> --
> "I got an "A" in philosophy because I proved my professor didn't exist."
>             -- Judy Tenuta
>
> On Fri, Feb 23, 2018 at 12:10 PM, G. Andrew Stone via bitcoin-ml <bitcoin-ml at lists.linuxfoundation.org> wrote:
>
>> Here are the current opcode specifications.  We would certainly appreciate your critical review for security flaws.
>>
>> OP_CAT, OP_SPLIT, OP_AND, OP_OR, OP_XOR, OP_DIV, OP_MOD, OP_BIN2NUM, OP_NUM2BIN:
>> https://github.com/shadders/uahf-spec/blob/reenable-op-codes/reenable-op-codes.md
>>
>> OP_DATASIGVERIFY:
>> https://github.com/gandrewstone/BitcoinUnlimited/blob/op_datasigverify/doc/opdatasigverify.md
>>
>> OP_GROUP:
>> https://github.com/gandrewstone/BitcoinUnlimited/blob/opgroup_fullnode/doc/opgroup-tokens.md
>>
>> On Fri, Feb 23, 2018 at 4:01 AM, Alexey Eromenko via bitcoin-ml <bitcoin-ml at lists.linuxfoundation.org> wrote:
>>
>>> Thats why I requested info per every op code, are there "dangerous " ones, that have downsides?
>>>
>>> On Fri, 23 Feb 2018 at 6:47 Amaury Séchet <deadalnix at gmail.com> wrote:
>>>
>>>> The downside depends on op_codes. Maybe you have question about specific op_codes ?
>>>>
>>>> 2018-02-23 1:54 GMT+01:00 Alexey Eromenko via bitcoin-ml <bitcoin-ml at lists.linuxfoundation.org>:
>>>>
>>>>> What are the downsides for each OPCODE enablement ?
>>>>>
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>>>
>>> --
>>> -Alexey Eromenko "Technologov"
>>>
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